Pictures 5Х 9Х

< Previous picture
Picture - 12
Next picture >
5х 9х. Вариант 2 8х-5 х-40. -Х2+2х+15\ х2 15. 7х+2(8-3х)=5х+20. 10/Х=7-Х.
Вариант 2 8х-5 х-40. -Х2+2х+15\ х2 15. 7х+2(8-3х)=5х+20. 10/Х=7-Х.

See also